Merge ArcNotificationItem and ArcCustomNotificationItem

ui/arc/notification/arc_notification_item_impl.h

+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef UI_ARC_NOTIFICATION_ARC_NOTIFICATION_ITEM_IMPL_H_
+#define UI_ARC_NOTIFICATION_ARC_NOTIFICATION_ITEM_IMPL_H_
+
+#include <memory>
+#include <string>
+
+#include "base/macros.h"
+#include "base/memory/weak_ptr.h"
+#include "base/observer_list.h"
+#include "base/threading/thread_checker.h"
+#include "components/signin/core/account_id/account_id.h"
+#include "third_party/skia/include/core/SkBitmap.h"
+#include "ui/arc/notification/arc_notification_item.h"
+#include "ui/arc/notification/arc_notification_manager.h"
+#include "ui/message_center/message_center.h"
+
+namespace arc {
+
+// The class represents each ARC notification. One instance of this class
+// corresponds to one ARC notification.
+class ArcNotificationItemImpl : public ArcNotificationItem {
+ public:
+  ArcNotificationItemImpl(ArcNotificationManager* manager,
+                          message_center::MessageCenter* message_center,
+                          const std::string& notification_key,
+                          const AccountId& profile_id);
+  ~ArcNotificationItemImpl() override;
+
+  // ArcNotificationItem overrides:
+  void OnClosedFromAndroid() override;
+  void OnUpdatedFromAndroid(mojom::ArcNotificationDataPtr data) override;
+  void Close(bool by_user) override;
+  void Click() override;
+  void OpenSettings() override;
+  bool IsOpeningSettingsSupported() const override;
+  void ToggleExpansion() override;
+  void AddObserver(Observer* observer) override;
+  void RemoveObserver(Observer* observer) override;
+  void IncrementWindowRefCount() override;
+  void DecrementWindowRefCount() override;
+  bool GetPinned() const override;
+  const gfx::ImageSkia& GetSnapshot() const override;
+  mojom::ArcNotificationExpandState GetExpandState() const override;
+  mojom::ArcNotificationShownContents GetShownContents() const override;
+  const std::string& GetNotificationKey() const override;
+
+ private:
+  // Return true if it's on the thread this instance is created on.
+  bool CalledOnValidThread() const;
+
+  ArcNotificationManager* const manager_;
+  message_center::MessageCenter* const message_center_;
+
+  // The pinned state of the latest notification.
+  bool pinned_ = false;
+  // The snapshot of the latest notification.
+  gfx::ImageSkia snapshot_;
+  // The expand state of the latest notification.
+  mojom::ArcNotificationExpandState expand_state_ =
+      mojom::ArcNotificationExpandState::FIXED_SIZE;
+  // The type of shown content of the latest notification.
+  mojom::ArcNotificationShownContents shown_contents_ =
+      mojom::ArcNotificationShownContents::CONTENTS_SHOWN;
+  // The reference counter of the window.
+  int window_ref_count_ = 0;
+
+  base::ObserverList<Observer> observers_;
+
+  const AccountId profile_id_;
+  const std::string notification_key_;
+  const std::string notification_id_;
+
+  // The flag to indicate that the removing is initiated by the manager and we
+  // don't need to notify a remove event to the manager.
+  // This is true only when:
+  //   (1) the notification is being removed
+  //   (2) the removing is initiated by manager
+  bool being_removed_by_manager_ = false;
+
+  base::ThreadChecker thread_checker_;
+  base::WeakPtrFactory<ArcNotificationItemImpl> weak_ptr_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(ArcNotificationItemImpl);
+};
+
+}  // namespace arc
+
+#endif  // UI_ARC_NOTIFICATION_ARC_NOTIFICATION_ITEM_IMPL_H_